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http://dx.doi.org/10.5762/KAIS.2010.11.4.1248

Performance Analysis of Compensation Algorithm for Localization using Equivalent Distance Rate  

Kwon, Seong-Ki (Department of Computer Engineering, Tongmyong University)
Lee, Dong-Myung (Department of Computer Engineering, Tongmyong University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.11, no.4, 2010 , pp. 1248-1253 More about this Journal
Abstract
In this paper, the compensation algorithm for localization using the concept of equivalent distance rate(AEDR) in order to compensate ranging error in the SDS-TWR(Symmetric Double-Sided Two-Way Ranging) is proposed and the performance of the proposed algorithm is analyzed by the localization experiments. The ranging error of the SDS-TWR in the distance between mobile node and beacon node is measured to average 1m~8m by ranging experiments. But it is confirmed that the performance of the localization by the AEDR is better than that of the SDS-TWR 4 times in university auditorium and corridor, and the localization error of above 3~10m is reduced to average 2m and that of below 3m is reduced to average 1m respectively. It is concluded that the AEDR is superior to the NLOS(Non Line Of Sight) than LOS(Line Of Sight) in performance of ranging compensation for localization, and the AEDR is more helpful to localization systems practically considering the environment of sensor networks is under NLOS.
Keywords
USN; CSS; IEEE 802.15.4a; SDS-TWR; Ranging; Localization;
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